Table 1-5: U.S. Public Road and Street Mileage by Functional Systema

Table 1-5: U.S. Public Road and Street Mileage by Functional Systema

Excel | CSV

  1990 1991 1992 1993 1994 1995 1996 1997 b1998 1999 2000
Urban mileage                     
Principal arterials, Interstates 11,527 11,602 12,516 12,877 13,126 13,164 13,217 13,247 13,312 13,343 13,379
Principal arterials, other freeways and expressways 7,668 7,709 8,491 8,841 8,994 8,970 9,027 9,063 9,127 9,132 9,140
Principal arterials, other 51,968 52,515 51,900 52,708 53,110 52,796 52,983 53,223 53,132 53,199 53,312
Minor arterials 74,659 74,795 80,815 86,821 87,857 88,510 89,020 89,185 89,496 89,432 89,789
Collectors 78,254 77,102 82,784 84,854 86,089 87,331 87,790 88,049 88,071 88,005 88,200
Local 520,568 526,139 548,560 559,776 564,609 568,935 574,728 583,973 588,504 592,974 598,421
Total 744,644 749,862 785,066 805,877 813,785 819,706 826,765 836,740 841,642 846,085 852,241
Rural mileage                     
Principal arterials, Interstates 33,547 33,677 32,951 32,631 32,457 32,580 32,820 32,817 32,813 32,974 33,048
Principal arterials, other 83,802 86,747 94,947 96,770 97,175 97,948 98,131 98,257 98,852 98,838 98,911
Minor arterials 144,774 141,795 137,685 137,577 138,120 137,151 137,359 137,497 137,308 137,462 137,574
Major collectors 436,352 436,746 434,072 432,222 431,115 431,712 432,117 432,714 432,408 432,934 433,121
Minor collectors 293,922 293,511 284,504 282,182 282,011 274,081 273,198 272,362 272,140 271,676 271,815
Local 2,129,885 2,141,582 2,131,856 2,117,952 2,111,932 2,119,048 2,119,262 2,135,485 2,091,127 2,097,274 2,109,519
Total 3,122,282 3,134,058 3,116,015 3,099,334 3,092,810 3,092,520 3,092,887 3,109,132 3,064,648 3,071,158 3,083,988
TOTAL urban and rural mileage3,866,926 3,883,920 3,901,081 3,905,211 3,906,595 3,912,226 3,919,652 3,945,872 3,906,290 3,917,243 3,936,229

a Includes the 50 states and the District of Columbia. When states did not submit reports, data were estimated by the U.S. Department of Transportation, Federal Highway Administration.

b Beginning in 1998, approximately 43,000 miles of Bureau of Land Management roads are excluded.

NOTE: A public road is any road under the ownership of and maintained by a public authority (federal, state, county, town, or township, local government, or instrumentality thereof) and open to public travel. No consistent data on private road mileage are available. For more detailed information, including breakouts of mileage by ownership and type of surface, see the source document.

SOURCES: 1990-95: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics Summary to 1995, FHWA-PL-97-009 (Washington, DC: July 1997), table HM-220.

1996-98, 2000: Ibid., Highway Statistics (Washington, DC: Annual issues), table HM-20. Available at www.fhwa.dot.gov/ohim/ohimstat.htm as of October 2001.

1999: Ibid., personal communication, May 2002.